diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2011-06-15 01:12:31 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-06-15 01:12:31 +0000 |
| commit | bf188aeae7a579fb71480be7d32a2edc4d56d827 (patch) | |
| tree | bb4fb35062d992f7249a8027f3cd0fa869615a60 /lib/Transforms/Scalar/MemCpyOptimizer.cpp | |
| parent | cf886188fb04d9521db39fe5213df1295673f51e (diff) | |
PerformBFICombine - (bfi A, (and B, Mask1), Mask2) -> (bfi A, B, Mask2) iff
the bits being cleared by the AND are not demanded by the BFI.
The previous BFI dag combine rule was actually incorrect (or used to be
correct until BFI representation changed).
rdar://9609030
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133034 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/MemCpyOptimizer.cpp')
0 files changed, 0 insertions, 0 deletions